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Finding the Fourth Proportional to 592,347.80, 885,929.70 and 529,621.40

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Solution

The fourth proportional to 592,347.80, 885,929.70 and 529,621.40 is: 792,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,347.80 : 885,929.70 = 529,621.40 : x
  2. Step 2: Convert to fraction form
    592,347.80/885,929.70 = 529,621.40/x
  3. Step 3: Cross multiply
    592,347.80x = 885,929.70 × 529,621.40
  4. Step 4: Simplify right side
    592,347.80x = 469,207,328,015.58
  5. Step 5: Solve for x
    x = 469,207,328,015.58/592,347.80
  6. Step 6: Final answer
    x = 792,114.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.